Use System Restore to return Windows Vista to a point before the issue occurred. To do this, follow these steps:
Start Windows Vista in safe mode.
Click Start , click All Programs, click Accessories, click System Tools, and then click System Restore.
Follow the steps in the System Restore Wizard to return Windows Vista to a point before the issue occurred.
Perform a clean boot in Windows Vista. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
929135 How to troubleshoot a problem by performing a clean boot in Windows Vista
You may disable all the third-party programs. If the problem disappears, repetitively use the msconfig program to figure out which third-party program is causing the problem. Disable the program, or speak to the manufacturer about the problem.
For more information about Windows Genuine Advantage, visit the following Microsoft Web site:
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.
Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Ultimate, Windows Vista Business, Windows Vista Enterprise, Windows Vista Starter, Windows Vista Home Basic 64-bit Edition, Windows Vista Home Premium 64-bit Edition, Windows Vista Ultimate 64-bit Edition, Windows Vista Business 64-bit Edition, Windows Vista Enterprise 64-bit Edition, Microsoft Windows Genuine Advantage